Base | Representation |
---|---|
bin | 1111101001010111… |
… | …10110111101001101 |
3 | 210200102021120011212 |
4 | 13310223312331031 |
5 | 114200411332133 |
6 | 3505311224205 |
7 | 415106500616 |
oct | 76453667515 |
9 | 23612246155 |
10 | 8400105293 |
11 | 3620705488 |
12 | 1765218065 |
13 | a3b3c0608 |
14 | 599898c0d |
15 | 3426d0148 |
hex | 1f4af6f4d |
8400105293 has 4 divisors (see below), whose sum is σ = 8410238940. Its totient is φ = 8389971648.
The previous prime is 8400105281. The next prime is 8400105347. The reversal of 8400105293 is 3925010048.
8400105293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2483726569 + 5916378724 = 49837^2 + 76918^2 .
It is a cyclic number.
It is not a de Polignac number, because 8400105293 - 224 = 8383328077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8400101293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5065580 + ... + 5067237.
It is an arithmetic number, because the mean of its divisors is an integer number (2102559735).
Almost surely, 28400105293 is an apocalyptic number.
It is an amenable number.
8400105293 is a deficient number, since it is larger than the sum of its proper divisors (10133647).
8400105293 is a wasteful number, since it uses less digits than its factorization.
8400105293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10133646.
The product of its (nonzero) digits is 8640, while the sum is 32.
The square root of 8400105293 is about 91652.0883177247. The cubic root of 8400105293 is about 2032.8012071991.
The spelling of 8400105293 in words is "eight billion, four hundred million, one hundred five thousand, two hundred ninety-three".
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